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S*TJ
MIDWAY
OBDERFORM
FIELD
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SERVICES
* their
Midway continues to expand
field service department
MARCH "81
Midway "'Galaxian'" Substitute +5v Regulator • Atari "Battle·
zone" Control Handle Mod • Gottlieb New System 80 Service
Manual • Midway '"Pac-Man" RAM/Rom Location Code • Atari
"Missile Command'" Power Interrupt Mod • Atari "Battlezone"
Random Score Problem • Gottlieb Auxiliary Lamp Driver Board •
Microprocessor Troubleshooting (Part 3) • Midway "Pac-Man"
Degree of Difficulty Mod • Atari "Battlezone" Aux PCB Mod •
Stern "Berzerk" Service Notes • Cinematronics "Star Castle" V3
Roms • Atari "Asteroids" Switch Maintenance • Rowe/AMI
Turntable Maintenance Tips.
JULY '81
Atari "Asteroids Deluxe" Program Change Kit • Stern "Berzerk"
Joystick Adjustment • Rowe 44 7 Product Price Upgrading •
Stern "Scramble" Power Supply Modification • Gremlin "Astro
Blaster' Audio Modification • Wiring Diagram for Wico Manual/·
Remote Volume Control • Gottlieb Reset Modification • Taito
"Crazy Climber' Joysticks • Signature Analysis (Part 3) Williams
"Defender' System Summary • Midway "Pac-Man", "Rally-X'' &
"Gort" Anti-Static Cleaner Application • Williams "Black Knight"
ServiceNotes • LossofAIICoilsonBallyPins • Atari "Asteroids"
Troubleshooting Tips • Stern Joystick PCB Troubleshooting Tips
APRIL '81
Midway "Rally-X" Test Mode • "Big Computer' in one chip •
Seeburg "SMC 1,'' "SMC 2" Potential SPKR Damage • Williams
General Illumination Mod • Midway"Rally-X" Monitor Fuse Rating
• Midway "Pac-Man" Cocktail Table Static PCB • EartyWarning
(Field Maintenance Tips) • Rowe/AMI Number Conversions •
Exidy "SPECTAR" Program Update Mod (11 A-1 to 11 A-2) • Wil·
Iiams C8363 Master Display Board Troubleshooting Procedures •
HVL Circuits· Atari "Missile Command" Color Monitors
AUGUST '81
Midway "Gorf' Mission Self Test • Updating Older "SH P" Seeburg
Amps • Bally MPU Screening Erro, • Lost and Found Bally
Flippers • Midway "Rally-X" Ram Test Message Code • Stern
"Scramble" Joystick Notes • Atari Service Notes ("Centipede,''
"Battlezone," "Warlords,'' "Asteroid Deluxe,'' "Asteroids") • Bally
"Fireball II" Clamping Diode • Game-A-Tron "Space Bugger' CPU
Modification • Bally "Fireball II" Fuse Modification • Early
Warnings No. 3 • Signature Analysis (Part 4) • Exidy Service
Notes • Gottlieb Display Problems • Baily's Tech Quiz (Part 1)
• Midway"Pac-Man" &"Rally-X" Brightness Adjustment • Atari
"Asteroid Deluxe" New Program Feature • Centuri "Phoenix"
Upright Modification
MAY '81
Williams Service Notes • Midway"Rally-X" Static PCB • Centuri
"Phoenix" Options • Exidy Color Board Ribbon Cables • Up-
dating Older Rowe/AMI Phonos to Contemporary Prices • Midway
"Pac-Man" Joystick Monidication • Signature Analysis (Part 1)
• Atari "Missile Command" Diagnostic Tests • Rowe Bill Changer
Modifications • Gottlieb Coil Chart
JUNE '81
"Repair of Rock-Ola Dollar Bill Programmers" • Midway"Galaxian",
"Pac-Man" Substitute +5VOC PowerTransisto, • Centuri"Phoenix"
Modifications • Midway"Gorf' Program Change • Early Warning
#2 (Field Maintenance Tips) • Signature Analysis (Part 2) •
Stern "Berzerk" Credit Accumulation Checklist • Stern "Berzerk"
Joystick Mod Kit • Suggested Game Improvements • Colo, to
B&W Converter CKT • Texas Instruments Power Semiconductor
Catalogs
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Mail to: Star*Tech Journal
P.O. Box 1065, Merchantville, New Jersey 08109
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SEPTEMBER '81
Midway General Illumination • Bally 7 Digit MPU Modification •
"Hot" Centuri Service Tip • Midway "Wizard of Wor' Maze Test
• Exidy 'Targ" and "Spectar' Audio Amps • Baily's Tech Quiz
(Part 2) • Modification of One Coin-One Play Machine Into Two
Coin-One Play Machine • Williams "Defender' Notes • Midway
Card Rack System Compatability • Stern "Berzerk" Handle
Assembly • Midway "Omega Race" Features • Wico Joystick
Report • Exidy "Venture" Program Change • Gremlin "Space
Fury'' Cabinet Notes • Gottlieb System 80 Sound/Speech Board
• Seeburg Price-Setting Instructions (Part 1)
7
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by adding two more phones
to their toll-free service hot
line. And to further help out, 2
additional techs were assigned
to phone service.
Midway's field service in-
structors will have held 40
service seminars by the end
of the year.
Once again this year, Midway
will have a field service booth
at the AMOA show in Chicago.
Service books will be handed
• out by Andy Ducay, Bob Nor-
ton and their staff.
*
*
IILL l'a
ro Do /11111 Vt
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••
~-
ost unusual
Write us about your m .
service incident th~t y~~~:t unusual
1
•
:i~~~:;: ·
;~:;i~f ~r~~~~~; ~ting
11 our unqualtlted 1udg
will
st unusual , you
~~~;i~~t;b!~~u:fy tree the
TRAP
(a $249.95 Logic Compara o t
courtesy ot Pacific Amusemen
Enterprises·
BU GT RAP
(II Y?u alread1:s~v~:E will refund
and win the co~ giv~ you a tree set ot
your money ML
50 test chips·)
- be published
• ing entry w, 11
The winn
.
All entries
in the oecemberd1s;yu~~vember 15,
must be receive
1931 to be eligible .
1
Let us know just how unusua
amusement service can be . .
Send your entry to .
Star* Tech Journal
0ept . s.o .B.
P.O. Box 1065
Merchantville, NJ 08109
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S*TJ OCTOBER 1981 15